@unpublished{HarutyunyanSchulze2009,
  author  = {Gohar Harutyunyan and Bert-Wolfgang Schulze},
  title   = {Boundary value problems in weighted edge spaces},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprint},
  number    = {(2006) 09},
  year    = {2009},
}